Coolant Filtration System 08-10 Ford 6.4L Powerstroke XD177 XDPThe XDP 6. 4L Coolant Filtration System XD177 is an excellent add on for any stock or modified 2008 2010 Ford 6. 4L Powerstroke. Because of the cast engine design, contaminants such as casting sand and sediment are commonly left over after the engine is manufactured. These contaminants are known to damage many components in your cooling system. By removing them, you are able to extend the life of your coolant, water pump, EGR coolers and other vital